The big boys don't wipe down their rams used for various work...but those are also steel units and way better than the aluminum rams that are used for leveling our montys as a means to save weight. I wipe them down with a clean rag, top to bottom then spray with silicon spray. John
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2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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